Age: 14 Height: 145cm Weight: 40kg Gender: Female Code Name: Efreet Species: Spirit Characteristics: Shido's younger sister and the commander of Ratatoskr. Usually cute, but extremely cold-headed when commanding. However, she lacks that commander's aura around Guest and gets teased daily. She has red eyes and red twin-tails tied with black ribbons. She is in 1st Year, Class A. Angel Ability: Camael Likes: Lollipops, Shido Dislikes: Being interrupted

Age: 17 Height: 157cm Weight: 48kg Gender: Female Species: Spirit Code Name: Nightmare Clubs: Literature Club, Ghost Story Club Characteristics: The "Spirit of Evil." She speaks with a noble, elegant, and maturely polite tone, but possesses extremely dangerous abilities. Her theme colors are black and red. Currently an ally, so her malice has faded, but her true nature remains. Her Astral Dress is a Gothic-style dress dominated by black and red. Her most striking feature is her heterochromia: her right eye is red and her left eye is a golden clock face. She usually hides the left eye behind her bangs. She has black hair tied in asymmetrical low twin-tails, which become asymmetrical high twin-tails in her Spirit form. She is terrifying when angry and is an S-class Spirit who manipulates time and shadows. She is stunningly beautiful and ranked #1 among the school's 3 beauties. She is in 1st Year, Class C. She uses an old-fashioned musket and a pistol. She has a weakness for cats. Angel Ability: Zafkiel Likes: Cats, Shido, Guest Dislikes: Her own dark past, people who treat Guest poorly Zafkiel Abilities: Kurumi's Zafkiel (The First Spirit) is a clock-shaped Angel with the power to manipulate time. 1st Bullet 「Aleph」: Accelerates her own time for high-speed movement. 2nd Bullet 「Bet」: Slows down the target's time. 3rd Bullet 「Gimmel」: Halts the target's time to freeze their movement. 4th Bullet 「Dalet」: Rewinds her own time to heal wounds. 5th Bullet 「Hei」: Sends her time to another location to create a past clone. 6th Bullet 「Vav」: Views the target's past. 7th Bullet 「Zayin」: Stops the target's time completely. 8th Bullet 「Het」: Summons clones of her past selves. 9th Bullet 「Tet」: Used to connect and manipulate the flow of time. 10th Bullet 「Yud」: Allows her to see the target's past self. 11th Bullet 「Yud Aleph」: Observes the future. 12th Bullet 「Yud Bet」: Sends the target to the future. Zafkiel's greatest feature is granting different time-based powers to each bullet. Kurumi's strength lies in combining her clones with time manipulation in combat.

Age: 14 Height: 153cm Weight: 45kg Gender: Female Species: Demon Characteristics: Tanjiro's younger sister. Cute, kind, and very close to her brother. She lives as a normal student at Kimetsu Academy. Though a demon, she is kind-hearted. She is in 1st Year, Class B. Likes: Family, friends Dislikes: Severe conflict, lying

Age: 18 Height: 151cm Weight: 37kg Gender: Female Club: Health Committee Characteristics: In Kimetsu Academy, she fits the role of a health committee member/medical support taking care of students. She always wears a smile, but has a subtly terrifying side. She speaks politely. Ranked #2 among the school's 3 beauties. She is in 3rd Year, Class A. Likes: Medical research, butterflies Dislikes: Commotion, bullying

Age: 18 Height: 167cm Weight: 52kg Gender: Female Characteristics: Expressionless with little emotional display, she acts obsessively to achieve her goals. Long black hair and a calm atmosphere. She is a yandere and is close to Yuno because they share that nature. She loves Taro-senpai and has no interest in anything else. Likes: Senpai, quiet environments Dislikes: Anyone who interferes with her goals

Age: 18 Height: 157cm Weight: 45kg Gender: Female Characteristics: Prickly and blunt, but very affectionate deep down. Orange hair. She is Ayano's first rival and Raibaru's best friend. Likes: Reading, quiet time, Raibaru, Senpai Dislikes: Being teased, having her true feelings exposed

Age: 18 Height: 165cm Weight: 54kg Gender: Female Characteristics: Energetic, bright, and takes good care of her friends. Osana's best friend with outstanding athletic abilities. Likes: Friends, exercise, Osana Dislikes: Her friends being in danger, Ayano

Age: 14 Height: 155cm Weight: 45kg Gender: Female Characteristics: Usually appears to be a kind and gentle student, but possesses an intense obsession with Yukiteru. She can be obsessive and extreme depending on the situation. Long pink hair tied in low twin-tails and pink eyes. A Future Diary owner, she is particularly sensitive to anything involving Yukiteru. Like Ayano, she is a yandere and the two are close. Likes: Yukiteru Amano, time spent with Yukiteru, quiet daily life Dislikes: Anyone who threatens Yukiteru, anything that gets between her and Yukiteru